* {
  padding: 0px;
  margin: 0px;
  box-sizing: border-box;
}

body {
  height: 100vh;
  background-color: #fff;
  padding-top: 121px;
  font-family: "Source Sans Pro", "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 14px;
  color: #555555;
}

li {
  list-style-type: none;
}

header {
  width: 100%;
  line-height: 60px;
  position: absolute;
  top: 0px;
  left: 0px;
  height: 120px;
}

header div {
  width: 1140px;
  height: 60px;
  margin: 0 auto;
  line-height: 60px;
}

a {
  text-decoration: none;
  color: #555;
}

header .logo img {
  max-height: 40px;
  display: inline-block;
  position: relative;
  top: 10px;
}

header span {
  margin-left: 10px;
  font-size: 20px;
  color: #000;
}

header nav {
  font-size: 0px;
  line-height: 40px;
}

header nav a {
  font-size: 16px;
  display: inline-block;
  width: 12.5%;
  text-align: center;
}

.body {
  width: 1140px;
  padding-top: 20px;
  margin: 0 auto; 
}

hr {
  margin-top: 10px;
  margin-bottom: 10px;
  border: 0;
  border-top: 1px solid #eeeeee;
  box-sizing: content-box;
  height: 0;
  display: block;
  unicode-bidi: isolate;
  -webkit-margin-before: 0.5em;
  -webkit-margin-after: 0.5em;
  -webkit-margin-start: auto;
  -webkit-margin-end: auto;
  overflow: hidden;
}

.active-nav {
  color: #000;
  font-weight: 600;
  border-bottom: 2px solid #000;
}

input {
  outline: none;
  background-color: #e9ecef;
  border-radius: 3px;
  box-shadow: none;
  color: #565656;
  font-size: 14px;
  line-height: 1.43;
  min-height: 15px;
  padding: 10px 20px;
  border: 1px solid #e8e8e8;
  width: 100%;
  transition: all .5s;
  -webkit-transition: all .5s;
}

input::placeholder {
  color: #ccc;
}

.blur {
  border: 1px solid rgb(20, 136, 245);
}

.mailto {
  color: #158CBA;
  margin-left: 20px;
}

.toast {
  width: 900px;
  height: 36px;
  position: fixed;
  z-index: 10000;
  top: 100px;
  left: 50%;
  line-height: 36px;
  font-size: 14px;
  color: #fff;
  background-color: #000;
  border-radius: 3px;
  text-align: center;
  margin-left: -450px;
  opacity: 0;
  transition: opacity 2s;
  -moz-transition: opacity 2s; /* Firefox 4 */
  -webkit-transition: opacity 2s; /* Safari 和 Chrome */
  -o-transition: opacity 2s; /* Opera */
  display: none;
  box-shadow:0 0 10px rgba(000, 000, 000, .5);
  -moz-box-shadow:0 0 10px rgba(000, 000, 000, .5);
  -webkit-box-shadow:0 0 10px rgba(000, 000, 000, .5);
  -o-box-shadow:0 0 10px rgba(000, 000, 000, .5);
}

.toast-show {
  opacity: 1;
}

.loading {
  position: fixed;
  top: 0px;
  left: 0px;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, .3);
  z-index: 999;
}

@keyframes spin {
  from {
    transform: rotate(0deg);
  }

  to {
    transform: rotate(360deg);
  }
}

@-webkit-keyframes spin {
  from {
    transform: rotate(0deg);
  }

  to {
    transform: rotate(360deg);
  }
}

.loading div {
  height: 64px;
  width: 64px;
  position: absolute;
  top: 50%;
  left: 50%;
  margin-top: -32px;
  margin-left: -32px;
  text-align: center;
}

.loading img {
  width: 40px;
  animation: spin 1.5s linear infinite;
  -moz-animation: spin 1.5s linear infinite; /* Firefox */
  -webkit-animation: spin 1.5s linear infinite;  /* Safari 和 Chrome */
  -o-animation: spin 1.5s linear infinite; /* Opera */
}